1.

A aid can cycle at 16 km/h and walk at 7 km/h. To cover a distance of 109 km. she takes 8.5 hours. How much distance did she cover on foot?_x005F_x000D_

A. 17.5 km
B. 24.5 km
C. 21 km
D. 28 km
Answer» D. 28 km


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